At the bottom of
www.wowtrail.com, under Design and Safety, it says the fence is four feet high and would have a six inch space below it to accomodate the chipmunks and squirrels and small animals, so not sure if that means a total height of four or 4 1/2'.
Having that ugly chainlink fence is a huge challenge, and cannot expect any waterfront property owner to want to live with that interrupting their view. The 4' chainlink fence is a big NO-GO so maybe they want to go with those grey granite rectangular cobble blocks set into concrete and about six inches high to create an attractive grey granite border as opposed to a fence.
And, the Wide Open Saloon can run a special: For just ten dollars, you get a Sam Adams beer and a tax deductable receipt showing you just paid for one granite cobble-block!
www.jlfstone.com/cobblestone.html
www.swensongranite.com